Rotatable crystal positioning apparatus

Details Rotatable crystal positioning apparatus Rotatable crystal positioning apparatus

1992-10-28

1995-01-24

Ben, Loha

Optical: systems and elements

Miscellaneous

359874, 359876, 378195, G02B 7182, H05G 102

Patent

active

053846630

ABSTRACT:
A crystal holder for use with photorefractive crystals comprises a horizontal rotatable planar member on which is mounted a crystal, such that the axis of rotation of the planar member lies on a face of the crystal on which a beam of light impinges. In a preferred embodiment, the crystal may be moved such that the axis of rotation continues to lie on the face of the crystal over at least a substantial portion of the face. The crystal holders of this invention are useful, for example, in phase conjugate mirrors.

REFERENCES:
patent: 2431282 (1943-11-01), Speed
patent: 3126478 (1964-03-01), Gotz et al.
patent: 4771446 (1988-09-01), Howe et al.
patent: 4773739 (1988-09-01), Valley et al.
patent: 4788702 (1988-11-01), Howe et al.
patent: 5023477 (1991-06-01), Valley et al.
patent: 5075573 (1991-12-01), Huignard et al.
Derwent Abstracts for: WO 9113344 DE 3103322 EP 398779.
Search Report (France) dated 5 Oct. 93.

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